1232506406 has 16 divisors (see below), whose sum is σ = 1878338160. Its totient is φ = 606413280.

The previous prime is 1232506321. The next prime is 1232506423. The reversal of 1232506406 is 6046052321.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137840 + ... + 146508.

It is an arithmetic number, because the mean of its divisors is an integer number (117396135).

Almost surely, 2^1232506406 is an apocalyptic number.

1232506406 is a deficient number, since it is larger than the sum of its proper divisors (645831754).

1232506406 is a wasteful number, since it uses less digits than its factorization.

1232506406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9799.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 1232506406 is about 35107.0705983852. The cubic root of 1232506406 is about 1072.1685447057.

Adding to 1232506406 its reverse (6046052321), we get a palindrome (7278558727).

The spelling of 1232506406 in words is "one billion, two hundred thirty-two million, five hundred six thousand, four hundred six".